>> we found out that really it's a natural airplane environment. we could see a real crash very different from a laboratory. we were able to collect the full event that will help design seats and interiors for safer aircraft in the future. gregg: what happened to some of the dummies on the inside? >> the front of the airplane was completely destroyed, the nose was destroyed. gregg: really. >> yep. and then a little bit further back there was potential for severe injury. in the middle moderate injury, and in the tail you would have been good if you were wearing a seatbelt. >> since the front of the plane basically got blown-out does that mean the fatal seats were what, rows one through seven in. >> yeah, about row 4 to row 10 was completely destroyed. gregg: wow. and seat 7a was catapulted straight out of the plane? >> like you might see in this kind of thing there was a giant debris field, several of the rows spread across the desert. gregg: some of the dummies were seatbelted but seated straight up, right? >> we had a brace-position dummy, some in